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The MIT Department of Physics has over 120 faculty members, is often cited as the largest physics department in the United States, and hosts top-ranked programs. [1] [2] [3] [4] It offers the SB, SM, PhD, and ScD degrees. Fourteen alumni of the department and nine current or former faculty members (two of whom were also students at MIT) have won the Nobel Prize in Physics.
There are two paths to earning a bachelor's degree (SB) in physics from MIT. The first, "Course 8 Focused Option", is for students intending to continue studying physics in graduate school. [5] The track offers a rigorous education in various fields in fundamental physics including classical and quantum mechanics, statistical physics, general relativity, electrodynamics, and higher mathematics.
The second, "Course 8 Flexible Option" is designed for those students who would like to develop a strong background in physics but who would like to branch off into other research directions or more unconventional career paths, such as information theory, computer science, finance, and biophysics. A significant part of the student's third and fourth undergraduate years are left open for relevant electives and graduate classes, which then form a specialization. Both tracks have a strong emphasis on laboratory instruction, with the third year often reserved for two "Junior Lab" courses. Most students partaking in undergraduate research or a research-oriented internship. [6]
The department offers doctoral degrees in the following divisions: astrophysics, atomic and optical physics, biophysics, experimental condensed matter physics, theoretical condensed matter physics, experimental nuclear/particle physics, theoretical nuclear/particle physics, plasma physics, and quantum computing. [7]
The department is divided into four main research areas, namely a) astrophysics, b) atomic, biophysics, condensed matter, and plasma physics, c) experimental nuclear and particle physics, and d) theoretical nuclear and particle physics. A large amount of research is conducted the department's 17 affiliated labs and centers, a list which includes the Research Laboratory of Electronics, the Plasma Science and Fusion Center, the Center for Theoretical Physics, the Condensed Matter Theory Group, the MIT–Harvard Center for Ultracold Atoms, and LIGO. [8]
The Nobel laureates in the faculty are:
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In physics, the fundamental interactions or fundamental forces are the interactions that do not appear to be reducible to more basic interactions. There are four fundamental interactions known to exist:
The Standard Model of particle physics is the theory describing three of the four known fundamental forces in the universe and classifying all known elementary particles. It was developed in stages throughout the latter half of the 20th century, through the work of many scientists worldwide, with the current formulation being finalized in the mid-1970s upon experimental confirmation of the existence of quarks. Since then, proof of the top quark (1995), the tau neutrino (2000), and the Higgs boson (2012) have added further credence to the Standard Model. In addition, the Standard Model has predicted various properties of weak neutral currents and the W and Z bosons with great accuracy.
Satyendra Nath Bose was an Indian mathematician and physicist specializing in theoretical physics. He is best known for his work on quantum mechanics in the early 1920s, in developing the foundation for Bose–Einstein statistics and the theory of the Bose–Einstein condensate. A Fellow of the Royal Society, he was awarded India's second highest civilian award, the Padma Vibhushan, in 1954 by the Government of India.
In the Standard Model of particle physics, the Higgs mechanism is essential to explain the generation mechanism of the property "mass" for gauge bosons. Without the Higgs mechanism, all bosons (one of the two classes of particles, the other being fermions) would be considered massless, but measurements show that the W+, W−, and Z0 bosons actually have relatively large masses of around 80 GeV/c2. The Higgs field resolves this conundrum. The simplest description of the mechanism adds a quantum field (the Higgs field) which permeates all of space to the Standard Model. Below some extremely high temperature, the field causes spontaneous symmetry breaking during interactions. The breaking of symmetry triggers the Higgs mechanism, causing the bosons it interacts with to have mass. In the Standard Model, the phrase "Higgs mechanism" refers specifically to the generation of masses for the W±, and Z weak gauge bosons through electroweak symmetry breaking. The Large Hadron Collider at CERN announced results consistent with the Higgs particle on 14 March 2013, making it extremely likely that the field, or one like it, exists, and explaining how the Higgs mechanism takes place in nature. The view of the Higgs mechanism as involving spontaneous symmetry breaking of a gauge symmetry is technically incorrect since by Elitzur's theorem gauge symmetries can never be spontaneously broken. Rather, the Fröhlich–Morchio–Strocchi mechanism reformulates the Higgs mechanism in an entirely gauge invariant way, generally leading to the same results.
Sir Thomas Walter Bannerman Kibble was a British theoretical physicist, senior research investigator at the Blackett Laboratory and Emeritus Professor of Theoretical Physics at Imperial College London. His research interests were in quantum field theory, especially the interface between high-energy particle physics and cosmology. He is best known as one of the first to describe the Higgs mechanism, and for his research on topological defects. From the 1950s he was concerned about the nuclear arms race and from 1970 took leading roles in promoting the social responsibility of the scientist.
Michael Edward Peskin is an American theoretical physicist. He is currently a professor in the theory group at the SLAC National Accelerator Laboratory.
Jeffrey Goldstone is a British theoretical physicist and an emeritus physics faculty member at the MIT Center for Theoretical Physics.
The MIT Center for Theoretical Physics (CTP) is the hub of theoretical nuclear physics, particle physics, and quantum information research at MIT. It is a subdivision of MIT Laboratory for Nuclear Science and Department of Physics.
François, Baron Englert is a Belgian theoretical physicist and 2013 Nobel Prize laureate.
Carl Richard Hagen is a professor of particle physics at the University of Rochester. He is most noted for his contributions to the Standard Model and Symmetry breaking as well as the 1964 co-discovery of the Higgs mechanism and Higgs boson with Gerald Guralnik and Tom Kibble (GHK). As part of Physical Review Letters 50th anniversary celebration, the journal recognized this discovery as one of the milestone papers in PRL history. While widely considered to have authored the most complete of the early papers on the Higgs theory, GHK were controversially not included in the 2013 Nobel Prize in Physics.
Robert Brout was an American theoretical physicist who made significant contributions in elementary particle physics. He was a professor of physics at Université Libre de Bruxelles where he had created, together with François Englert, the Service de Physique Théorique.
The MIT School of Science is one of the five schools of the Massachusetts Institute of Technology, located in Cambridge, Massachusetts, United States. The School is composed of 6 academic departments who grant SB, SM, and PhD or ScD degrees; as well as a number of affiliated laboratories and centers. As of 2020, the Dean of Science is Professor Nergis Mavalvala. With approximately 275 faculty members, 1100 graduate students, 700 undergraduate majors, 500 postdocs, and 400 research staff, the School is the second largest at MIT. As of 2019, 12 faculty members and 14 alumni of the School have won Nobel Prizes.
Alexey Andreevich Anselm was a Russian theoretical physicist, Doctor of Physical and Mathematical Sciences, professor, director (1992–1994) of the B.P. Konstantinov Petersburg Nuclear Physics Institute (PNPI), member of: the Russian and American Physical Society, the executive committee of the Nuclear Physics Branch of the Russian Academy of Sciences, the editorial board of the Russian journal “Yadernaya Fizika”.
The Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the quantum excitation of the Higgs field, one of the fields in particle physics theory. In the Standard Model, the Higgs particle is a massive scalar boson with zero spin, even (positive) parity, no electric charge, and no colour charge that couples to mass. It is also very unstable, decaying into other particles almost immediately upon generation.
In a quantum field theory, charge screening can restrict the value of the observable "renormalized" charge of a classical theory. If the only resulting value of the renormalized charge is zero, the theory is said to be "trivial" or noninteracting. Thus, surprisingly, a classical theory that appears to describe interacting particles can, when realized as a quantum field theory, become a "trivial" theory of noninteracting free particles. This phenomenon is referred to as quantum triviality. Strong evidence supports the idea that a field theory involving only a scalar Higgs boson is trivial in four spacetime dimensions, but the situation for realistic models including other particles in addition to the Higgs boson is not known in general. Nevertheless, because the Higgs boson plays a central role in the Standard Model of particle physics, the question of triviality in Higgs models is of great importance.
The 1964 PRL symmetry breaking papers were written by three teams who proposed related but different approaches to explain how mass could arise in local gauge theories. These three papers were written by: Robert Brout and François Englert; Peter Higgs; and Gerald Guralnik, C. Richard Hagen, and Tom Kibble (GHK). They are credited with the theory of the Higgs mechanism and the prediction of the Higgs field and Higgs boson. Together, these provide a theoretical means by which Goldstone's theorem can be avoided. They show how gauge bosons can acquire non-zero masses as a result of spontaneous symmetry breaking within gauge invariant models of the universe.
The University of Edinburgh School of Physics and Astronomy is the physics department of the University of Edinburgh. The School was formed in 1993 by a merger of the Department of Physics and the Department of Astronomy, both at the University of Edinburgh. The Department of Physics itself was a merger between the Department of Natural Philosophy and the Department of Mathematical Physics in the late 1960s. The School is part of the University's College of Science and Engineering.
The Physics Department at the University of California, Santa Barbara has 58 faculty members. It offers academic programs leading to the B.A., B.S., and Ph.D. degrees.
The Racah Institute of Physics is an institute at the Hebrew University of Jerusalem, part of the faculty of Mathematics and Natural Sciences on the Edmund J. Safra Campus in the Givat Ram neighborhood of Jerusalem.
Kenneth Alan Johnson was an American theoretical physicist. He was professor of physics at MIT, a leader in the study of quantum field theories and the quark substructure of matter. Johnson contributed to the understanding of symmetry and anomalies in quantum field theories and to models of quark confinement and dynamics in quantum chromodynamics.
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